28111305542141 has 16 divisors (see below), whose sum is σ = 29530901030400. Its totient is φ = 26724413337600.

The previous prime is 28111305542113. The next prime is 28111305542147. The reversal of 28111305542141 is 14124550311182.

It is not a de Polignac number, because 28111305542141 - 2²² = 28111301347837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28111305542095 and 28111305542104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28111305542147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877080 + ... + 8031201.

It is an arithmetic number, because the mean of its divisors is an integer number (1845681314400).

Almost surely, 2^{28111305542141} is an apocalyptic number.

It is an amenable number.

28111305542141 is a deficient number, since it is larger than the sum of its proper divisors (1419595488259).

28111305542141 is a wasteful number, since it uses less digits than its factorization.

28111305542141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909780.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 28111305542141 in words is "twenty-eight trillion, one hundred eleven billion, three hundred five million, five hundred forty-two thousand, one hundred forty-one".